Nemo ius ignoratur censetur - "Not knowing the law is harmful." Everyone should know the law. This is used in European Law-countries with a history of Roman law, the 'sentence' was first made by Aristotle.⏎
Maleficia propositis distinguuntur - "Evil acts are distinguished from (evil) purposes" or "crimes are distinguished by evil intent." Evil acts are distinguished from evil purposes[4] crimes are distinguished by the intention[5]⏎
Nemo judex in sua causa - "No one shall be a judge in his own case." Prevents conflict of interest in courts. Often invoked when there is really no conflict, but when there is even the appearance of one.⏎
Jura novit curia - "The court knows the law." Concept that parties to a case do not need to define how the law applies to their case. The court is solely responsible for determining what laws apply.⏎